JPS55154949A - N,n'-disubstituted tetrahydrophthalamide derivative, its preparation, and herbicide - Google Patents

N,n'-disubstituted tetrahydrophthalamide derivative, its preparation, and herbicide

Info

Publication number
JPS55154949A
JPS55154949A JP6417379A JP6417379A JPS55154949A JP S55154949 A JPS55154949 A JP S55154949A JP 6417379 A JP6417379 A JP 6417379A JP 6417379 A JP6417379 A JP 6417379A JP S55154949 A JPS55154949 A JP S55154949A
Authority
JP
Japan
Prior art keywords
halogen
alkyl
compound
formula
herbicide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6417379A
Other languages
Japanese (ja)
Inventor
Hiromoto Nagase
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Priority to JP6417379A priority Critical patent/JPS55154949A/en
Publication of JPS55154949A publication Critical patent/JPS55154949A/en
Pending legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

NEW MATERIAL:A compound of formula I (X is Cl or Br; R1 is H, halogen, alkyl, or alkoxy; R2 is H, halogen, or alkyl; R3 is H, halogen, alkyl, etc.; R4 is H, halogen, alkyl, etc.).
EXAMPLE: N-Phenyl-N'-(2-fluoro-4-chlorophenyl)-3,4,5,6-tetrahydrophthalamide.
USE: Herbicide effective to monocotyledonous and dicotyledonous weeds, e.g. weeds in paddy rice field, such as tainubie, umbrella plant, etc.
PROCESS: The compound of formula I is prepared by reacting 1mol of a compound of formula II with 0.8 to several moles, pref. 0.9W1.2mole of a compound III in an inert solvent such as benzene at 5W60°C in the presence of a catalyst such as a protonic acid (e.g. HCl) or a Lewis acid.
COPYRIGHT: (C)1980,JPO&Japio
JP6417379A 1979-05-24 1979-05-24 N,n'-disubstituted tetrahydrophthalamide derivative, its preparation, and herbicide Pending JPS55154949A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6417379A JPS55154949A (en) 1979-05-24 1979-05-24 N,n'-disubstituted tetrahydrophthalamide derivative, its preparation, and herbicide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6417379A JPS55154949A (en) 1979-05-24 1979-05-24 N,n'-disubstituted tetrahydrophthalamide derivative, its preparation, and herbicide

Publications (1)

Publication Number Publication Date
JPS55154949A true JPS55154949A (en) 1980-12-02

Family

ID=13250399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6417379A Pending JPS55154949A (en) 1979-05-24 1979-05-24 N,n'-disubstituted tetrahydrophthalamide derivative, its preparation, and herbicide

Country Status (1)

Country Link
JP (1) JPS55154949A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0097056A2 (en) * 1982-06-14 1983-12-28 Nippon Kayaku Kabushiki Kaisha Herbicidal N-substituted-3,4,5,6-tetrahydrophthalamic acid derivatives
WO1993019039A1 (en) * 1992-03-25 1993-09-30 Sagami Chemical Research Center Tetrahydrophthalamide derivative, intermediate for producing the same, production of both, and herbicide containing the same as active ingredient

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0097056A2 (en) * 1982-06-14 1983-12-28 Nippon Kayaku Kabushiki Kaisha Herbicidal N-substituted-3,4,5,6-tetrahydrophthalamic acid derivatives
WO1993019039A1 (en) * 1992-03-25 1993-09-30 Sagami Chemical Research Center Tetrahydrophthalamide derivative, intermediate for producing the same, production of both, and herbicide containing the same as active ingredient

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